Molecular Pain, 2020 · DOI: 10.1177/1744806920964360 · Published: January 1, 2020
This study investigates how different spinal cord stimulation (SCS) methods affect gene expression in specific types of neural cells in rats with neuropathic pain. It compares a new method called differential target multiplexed programming (DTMP) with traditional high-rate (HRP) and low-rate (LRP) stimulation. The researchers examined genes (transcriptomes) from neurons, microglia, astrocytes, and oligodendrocytes to see how each SCS treatment changed their expression compared to untreated animals. They looked for correlations between gene expression patterns produced by each SCS treatment and those of healthy animals. The study found that DTMP showed strong correlations with the gene expression levels of healthy animals across all cell types. HRP only showed a strong correlation for microglia, while LRP did not show strong correlations for any cell types.
DTMP could be a superior method for spinal cord stimulation therapy due to its ability to target and modulate multiple cell types effectively.
Understanding the cell-specific impacts of different SCS programs can lead to more personalized and effective pain management strategies.
Future studies should explore the long-term effects of SCS and investigate the mechanisms by which DTMP modulates gene expression in different cell types.